An official website of the United States government
The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before
sharing sensitive information, make sure you’re on a federal
government site.
The site is secure.
The https:// ensures that you are connecting to the
official website and that any information you provide is encrypted
and transmitted securely.
Bednarz JE, Spencer KT, Weinert L, Sugeng L, Mor-Avi V, Lang RM.Bednarz JE, et al. Among authors: sugeng l.J Am Soc Echocardiogr. 1999 Oct;12(10):871-5. doi: 10.1016/s0894-7317(99)70195-1.J Am Soc Echocardiogr. 1999.PMID: 10511659